Amphibolite lan Obsidian Definition

Amphibolite

Obsidian

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1 Definition

1.1 definisi

amphibolite bisa ditegesake minangka rock metamorphic granular kang utamané kalebu hornblende lan plagioclase

obsidian punika kaca vulkanik alami kawangun minangka rock igneous extrusive. diprodhuksi nalika lahar felsic extruded saka gunung mbledhos ndingin kanthi cepet karo wutah kristal minimal

1.2 Sajarah

1.2.1 asal

dingerteni

Ethiopia

1.2.2 panemu

Alexandre brongniart

obsius

1.3 Etimologi

saka amphibole + -ite

saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

1.4 kelas

rocks metamorphic

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

ora ditrapake

vulkanik

1.6 kategori liyane

rock grained coarse, medium rock grained, rock opaque

rock opaque

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